@Test
    @DisplayName("Default ctor: null message/cause and success status")
    void defaultConstructor_hasNullMessageAndCause_andDefaultStatus() {
        // Arrange & Act
        SMBSignatureValidationException ex = new SMBSignatureValidationException();

        // Assert
        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");

        v.add(new DERTaggedObject(true, 2, new DERBitString(new byte[] { apOptions }))); // first byte read by impl
        return new DERSequence(v);
    }

    @Test
    @DisplayName("byte[] ctor: empty token throws PACDecodingException with clear message")
    void byteArrayConstructor_emptyToken_throws() {
        // Arrange
        byte[] empty = new byte[0];

        // Act + Assert

                Arguments.of(0x00001234, NtStatus.NT_STATUS_UNSUCCESSFUL));
    }

    @ParameterizedTest
    @MethodSource("intErrorCodes")
    @DisplayName("int ctor: sets message and NT status as expected")
    void intConstructor_populatesMessageAndStatus(int errCode, int expectedStatus) {
        // Arrange & Act: create exception with error code

    }

    /**
     * Converts a phrase query to a query builder.
     *
     * @param context the query context
     * @param phraseQuery the phrase query
     * @param boost the boost factor
     * @return the query builder
     */
    protected QueryBuilder convertPhraseQuery(final QueryContext context, final PhraseQuery phraseQuery, final float boost) {
        final Term[] terms = phraseQuery.getTerms();

         * negative so it with NT_STATUS_SUCCESS (0) the binary search will not be
         * performed properly. The effect is that the code at index 1 is never found
         * (NT_STATUS_UNSUCCESSFUL). So here we factor out NT_STATUS_SUCCESS
         * as a special case (which it is).
         */
        if (errcode == 0) {
            return "NT_STATUS_SUCCESS";
        }
        if ((errcode & 0xC0000000) == 0xC0000000) {

     *
     * @param context the query context containing search configuration
     * @param query the Lucene query to convert (must be a FuzzyQuery)
     * @param boost the boost factor to apply to the query
     * @return OpenSearch QueryBuilder for fuzzy matching
     * @throws InvalidQueryException if the query is not a FuzzyQuery
     */
    @Override

    }

    /**
     * Converts a prefix query to a query builder.
     *
     * @param context the query context
     * @param prefixQuery the prefix query
     * @param boost the boost factor
     * @return the query builder
     */
    protected QueryBuilder convertPrefixQuery(final QueryContext context, final PrefixQuery prefixQuery, final float boost) {

     */
    static Stream<Arguments> messages() {
        return Stream.of(Arguments.of((String) null), Arguments.of(""), Arguments.of("unexpected downgrade"));
    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")
    void defaultConstructor_hasNullMessageAndCause_andTypeHierarchy() {
        // Arrange & Act

     */
    @Override
    public Settings settings() {
        return client.settings();
    }

    /**
     * Gets term vectors for a document asynchronously.
     *
     * @param request the term vectors request
     * @return a future for the term vectors response
     */
    @Override
    public ActionFuture<TermVectorsResponse> termVectors(final TermVectorsRequest request) {

     *
     * @param context The query context containing field and search information
     * @param wildcardQuery The Lucene wildcard query to convert
     * @param boost The boost factor to apply to the query
     * @return The converted OpenSearch QueryBuilder
     */
    protected QueryBuilder convertWildcardQuery(final QueryContext context, final WildcardQuery wildcardQuery, final float boost) {